, Volume 237, Issue 2, pp 381-387

First online:

Divide and shape: an endosymbiont in action

  • Kevin A. PykeAffiliated withPlant and Crop Sciences Division, School of Biosciences, University of Nottingham Email author 


The endosymbiotic evolution of the plastid within the host cell required development of a mechanism for efficient division of the plastid. Whilst a model for the mechanism of chloroplast division has been constructed, little is known of how other types of plastids divide, especially the proplastid, the progenitor of all plastid types in the cell. It has become clear that plastid shape is highly heterogeneous and dynamic, especially stromules. This article considers how such variation in morphology might be controlled and how such plastids might divide efficiently.


Amyloplasts Chloroplast division Plastid division Plastid morphology Proplastids Stromules